TABLES USED IN FOREST MENSURATION 503 



TABLE LXXXVI 



ScRiBNER Decimal C Log Rule for Saws Cutting a J-inch Kerf 



This log rule disregards taper, and is applied at small end of log, 

 inside bark. It is based on diagrams of 1-inch boards, values not made 

 regular by curves, and deduction for slab too large above 28 inches. 



The Decimal form is given, with values of the original rule rounded 

 off to the nearest 10 board feet and the cipher dropped. To read in 

 board feet, add the cipher. Decimal C values are given, as in 

 Table XII, § 68. Values above 44 inches adopted by the U. S. Forest 

 Service. 



